Blog & Articles

Learn about credit card testing, development tips, and payment security

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October 27, 2025

Understanding the Luhn Algorithm for Credit Card Validation

Learn how the Luhn algorithm (mod 10) validates credit card numbers and why it's essential for testing payment systems. Complete guide with code examples and practical applications.

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Luhn Algorithm Validation Testing
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October 25, 2025

Best Practices for Testing Payment Gateways

Comprehensive guide to testing payment integrations safely using test credit card numbers for Stripe, PayPal, Braintree and more. Includes testing checklist and automation tips.

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Payment Gateway Testing Security
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October 20, 2025

How to Generate Valid Test Credit Card Numbers

Step-by-step tutorial on generating realistic test card numbers for Visa, Mastercard, Amex, and other major networks. Learn card structure and Luhn algorithm.

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Tutorial Card Generation Development
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October 15, 2025

Understanding BIN Numbers and Card Networks

Discover what Bank Identification Numbers (BIN) are and how they identify card issuers and payment networks. Complete guide with examples.

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BIN Numbers Card Networks Education
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October 10, 2025

E-commerce Development: Testing Checkout Flows

Essential testing strategies for e-commerce checkout processes including cart abandonment, payment validation, and user experience optimization.

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E-commerce Checkout QA Testing
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October 5, 2025

API Integration Guide for Payment Processing

Complete guide to integrating payment APIs with test credentials, handling webhooks, and managing transaction events securely.

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API Integration Webhooks